Mechanical hand



FIG. 1 is a bottom view of the mechanical hand showing my new design;

FIG. 2 is a right side view thereof, the left side view being a mirror image thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a front view thereof; and,

FIG. 5 is a top plan view thereof. 

The ornamental design for a mechanical hand, as shown and described. 